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Location Romania, Moldavia
Central coordinates 27o 11.22' East  47o 53.75' North
IBA criteria C1, C2, C3, C4, C6
Area 2,076 ha
Altitude 71 - 99m
Year of IBA assessment 2007

Romanian Ornithological Society

Site description A large reservoir situated in the valley of the River Prut, on the border with Moldova. One side of the river has slopes dominated by arable crops and small patches of grassland. The old river valley contains riverine forest dominated by Salix, Fagus, Quercus and Ulmus. There is also a Populus plantation.

Key Biodiversity This is an important stop-over site for passage waterbirds due to its location on a migration route for birds moving to the Danube delta and the Black Sea. 124 species have been recorded in the IBA. Passage species of global conservation concern that do not meet IBA criteria: Aythya nyroca, Aquila heliaca and Crex crex.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Greylag Goose Anser anser passage  1990-2006  900-1,200 individuals  good  C3  Least Concern 
Whooper Swan Cygnus cygnus passage  1990-2006  100-200 individuals  good  C2  Least Concern 
Ferruginous Duck Aythya nyroca passage  1990-2006  600-1,200 individuals  good  C1, C2  Near Threatened 
Common Goldeneye Bucephala clangula winter  1990-2006  220-240 individuals  good  C3  Least Concern 
Smew Mergellus albellus winter  1990-2006  40-60 individuals  good  C2, C6  Least Concern 
Smew Mergellus albellus passage  1990-2006  100-150 individuals  good  C2  Least Concern 
Pygmy Cormorant Microcarbo pygmaeus passage  1990-2006  200-400 individuals  good  C2  Least Concern 
A4iii Species group - waterbirds passage  1990-2006  20,000 individuals  good  C4   


IUCN habitat Habitat detail Extent (% of site)
Forest   23%
Shrubland   12%
Wetlands (inland) Standing freshwater  38%
Artificial - terrestrial Arable land; Forestry plantations  27%

Land use

Land-use Extent (% of site)
water management 34%
fisheries/aquaculture 34%
agriculture 20%
tourism/recreation 10%

Protection status National None International None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Stânca lake - Costeşti. Downloaded from on 23/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife